Mountain resort image
– Lat/Long: 48.71° N 121.99° W

UsSouth Twin Sister
Weather Forecast, United States

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Issued: 4am Wed 10 Aug Local Time
Updates in: hr min s
Update imminent 
Mountain icon 3 South Twin Sister Elevations: 3 Forecast Elevations:
 

South Twin Sister Weather (Days 0-3):

Some drizzle, heaviest during Wed night. Warm (max 25°C on Fri afternoon, min 13°C on Fri night). Wind will be generally light.

(Days 3-6):

Mostly dry. Warm (max 25°C on Mon afternoon, min 13°C on Sat morning). Wind will be generally light.

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
partially cloudy
partially cloudy
rain showers
partially cloudy
clear
clear
clear
clear
clear
partially cloudy
clear
clear
clear
clear
clear
clear
clear
clear
some clouds some clouds rain shwrs some clouds clear clear clear clear clear some clouds clear clear clear clear clear clear clear clear
Wind km/h
5
WSW
5
WSW
0
SE
5
WSW
5
W
5
ESE
5
W
5
WSW
5
S
5
SW
5
W
0
NE
5
WNW
5
WNW
0
NE
5
W
5
W
5
NE
See all weather maps
Snow
 cm
- - - - - - - - - - - - - - - - - -
Rain
 mm
- - 1 - - - - - - - - - - - - - - -
Max °C
23 23 18 20 24 20 22 25 20 15 20 17 20 23 19 22 25 20
Min °C
21 21 16 17 24 18 20 24 13 13 18 14 16 22 16 18 24 18
 Feels °C
24 24 20 21 24 21 21 24 20 14 19 17 19 22 19 22 25 20
 Freezing Level m
4300 4350 4150 4050 4050 4000 4000 4050 3400 3450 3550 3650 3900 4050 4150 4100 4200 4400
Sea lvl3000ft6000ft9000ft12000ft15000ft
1412101012131212115888111111131318141212161715161571111111414131617232318202420222520152017202319222520
Sunrise
5:52 - - 5:54 - - 5:56 - - 5:56 - - 5:58 - - 6:00 - -
Sunset
- 8:31 - - 8:30 - - 8:28 - - 8:25 - - 8:24 - - 8:22 -

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Some drizzle, heaviest during Wed night. Warm (max 25°C on Fri afternoon, min 13°C on Fri night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Warm (max 25°C on Mon afternoon, min 13°C on Sat morning). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
19 km S
155m alt.
1 hour ago
20° C
Dry
3
Calm
(3 kph at 194).
8
25 km WSW
198m alt.
2 hours ago
17° C
Dry
3
Calm
(3 kph at 26).
6
25 km WNW
102m alt.
45 minutes ago
20° C
Dry
3
Calm
(3 kph at 116).
6
26 km NW
125m alt.
1 hour ago
21° C
Dry
5
Calm
(5 kph at 99).
6
27 km WSW
99m alt.
1 hour ago
18° C
Dry
Wind obs. (6 kph from 158 degs) was rejected.

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.